Transmission Type by Car: CVT, Automatic or Manual / Bentley / MulsanneBentley Mulsanne Transmission by year YearTransmission20208-speed automatic20198-speed automatic20188-speed automatic20178-speed automatic20168-speed automatic20158-speed automatic20148-speed automatic20138-speed automatic20128-speed automatic20118-speed automatic Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).